Explanation

Regarding deadlock recovery techniques, is Process Termination. 

It is considered an "easy" technique regarding CPU management

Because it uses simple logic to break a deadlock cycle: 

Explanation

Google established (acquired and further developed) the Android system. 

Explanation

Virtual memory is a memory management technique

Used by operating systems (OS)

That extends a computer’s physical RAM by temporarily transferring data to disk storage.

Last updated 15-feb-2026

Explanation

The Kernel (operating system) is the core part of an operating system.

It manages:

• CPU (processor)

• Memory (RAM)

• Input/Output devices

• Hardware resources

The kernel acts as a bridge between hardware and software.

Last updated 15-feb-2026

Explanation

The fork (system call) system call is used in Unix to create a new process.

• It creates a child process that is an exact copy of the parent process.

• After fork(), both parent and child processes run independently.

  
  

  Last updated 15-feb-2026

Explanation

A checkpoint is a saved state of a system, database, or process.

• In databases, it saves the current state so recovery can start from that point.

• In operating systems, it helps restore the system after failure.

It improves reliability and recovery speed.

Last updated 15-feb-2026

Explanation

• Self-service terminals allow customers to interact directly with the system.
• They display options and confirmations on the same screen without additional devices.
• This improves convenience and reduces dependency on tellers.
• Touch screens are widely used in ATMs, kiosks, and self-service terminals for interactive input.

Last verified on 15-02-2026

Explanation

• The device used by bank tellers to see transaction details is primarily a monitor.
• It allows the teller to confirm amounts, account numbers, and transaction status instantly.
• Visual display ensures accuracy and reduces errors in banking operations.

Last verified on 15-02-2026

Explanation

• A touch screen allows users to interact directly with a device by touching the screen.
• It is the most suitable device for capturing customer signatures digitally in a branch.

Last verified on 15-02-2026

Explanation

• Application software is designed to perform specific tasks, like creating spreadsheets or editing images.
• Examples include Microsoft Excel, Adobe Photoshop, and Google Docs.

Last verified on 15-02-2026